The man featured in a book about deaths at Fort Bragg was convicted on eight federal charges, including first-degree murder, drug conspiracy and obstruction of justice.
Kenneth Quick Jr., 26, of Laurinburg, killed two people after a planned drug deal and then left their bodies in the woods on Fort Bragg.
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The victims were later identified as Master Sgt. William LaVigne and Timothy Dumas, a veteran.
Prosecutors say Quick coordinated with others to escape the base after their killings.
He was officially charged in connection to the murders in 2023.
The murders were the focus of a book called The Fort Bragg Cartel by Seth Harp, a military veteran and Rolling Stone contributing editor. In an interview with WRAL, Harp called the military based a "massive drug market."
Quick faces a mandatory sentence of life in prison.
He is expected to be sentenced in August.